When you try to re-open an infected file which has been cleaned and replaced with text, it is re-named
AvReport.htm rather than the expected behaviour, which is to allow you to save the file with its own name. This is a known issue.
Known to apply to the following Sophos product(s) and version(s)
Sophos for Microsoft SharePoint 2.0.0
Sophos for Microsoft SharePoint
The operating systems related to this article if any.
What To Do
This is a known issue.
No further action can or should be taken.